/*<!doctype html>
<html lang="zh-cn">
<head>
	<meta charset="utf-8" />
	<title></title>
	<link rel="stylesheet" type="text/css" href="./css/common.css" />
	<script type="text/javascript" src="./js/jquery-1.10.2.min.js"></script>
	*/
/*reset*/
*{	margin:0px;	padding:0px;}
img{border-width: 0;}
a{text-decoration: none;}
a:hover{text-decoration: underline;}
span{display: inline-block;padding: 4px 0;}
li{list-style: none;}
/*basic*/
.clearfix{clear:both;display:block;}
.clearfix:after{clear:both;	content:" ";display: block;visibility: hidden;height: 0;}
.font_family{font-family: 微软雅黑,黑体,Tahoma,Verdana,STHeiTi,simsun,sans-serif !important;}
.b{font-weight: bold;}
.border{border: 1px solid black;}
.bb_setwidth{width: 1000px;margin:0 auto;padding-top: 30px;}
.bb_line{border-bottom:2px solid grey;width: 100%;margin:10px 0px;}
.bb_button{height:32px;line-height: 32px;width: 110px;text-align: center;
	background-color:#647AB4;color:white;cursor:pointer;}
.bb_button:hover{font-weight: bold;}
.bb_div{width: 100%;margin-top: 15px;}
.fr{float:right !important;}
.fl{float:left !important;}
.size12{font-size: 12px;}
.size13{font-size: 13px;}
.size14{font-size: 14px;}
.size15{font-size: 15px;}
.size16{font-size: 16px;}
.size18{font-size: 18px;}
.size20{font-size: 20px;}
.size22{font-size: 22px;}
.size25{font-size: 25px;}
.size30{font-size: 30px}
.size40{font-size: 40px;}
.line_height_30{line-height: 30px}
/*color*/
.dark_yellow{color:#886655;}
.green{color:#33B786;}
.red{color:#FB2E4B;}
.blue{color:#0088CC;}
.white{color: white;}


/*extend*/
#bb_bg{width: 100%;height: 100%;background:black;color:white;} 
.bb_bg_img{filter:alpha(opacity=20);-moz-opacity:0.2;opacity:0.2;
	position: absolute;left:50%;top:5%;margin-left:-650px;width: 1300px;height:650px;z-index: -2;}
#bg_lib{background:url(image/lib.jpg) no-repeat;}
#bg_game{background:url(image/game.jpg) no-repeat;display: none;}
#bg_movie{background:url(image/movie.jpg) no-repeat;display: none;}
#bg_music{background:url(image/music.jpg) no-repeat;display: none;}
#bg_soft{background:url(image/soft.jpg) no-repeat;display: none;}
#search_box{width:400px;height: 40px;line-height: 40px;background: #ABAAA8;border: 0px;font-size: 20px;padding:0 5px;}
#search_button{text-shadow:0 0 28px white;padding-left: 12px;cursor: pointer;}
#search_button:hover{text-shadow:0 0 8px white;}
header{text-align: center;padding-top:8%;}
#selection{text-align: center;margin-top: 50px;}
#selection a{margin-right:60px;font-size: 25px;color: #5E5D5E;font-weight: bold;text-shadow:0 0 5px #5E5D5E;}
#selection a:last-child{margin-right: 0px;}
#selection .select{font-size: 45px;color: white;text-shadow:0 0 5px white;}
a{color: white;}
a:hover{text-decoration: none}
#introduction{width: 840px;margin: 50px auto;padding-left: 200px}
#introduction,#introduction a{color:#D6D4D4;}
#introduction aside{float:left;width: 280px;}
#introduction h2{font-size:22px;}
#introduction aside ul{margin-top: 10px;}
#introduction aside ul li{line-height: 1.4em;}
footer{text-align: center;margin-top:100px;}
footer a{color: grey;margin-left: 20px;}
/*.bb_bg_img{transition:all 2s;transform:translate3D(0,0,0);opacity: 0;}
.bb_bg_img:target{opacity: 0.2;}*/